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/linux/arch/arm/mach-omap1/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
21 config ARCH_OMAP15XX
28 config ARCH_OMAP16XX
35 config ARCH_OMAP
40 config OMAP_MUX
44 Pin multiplexing support for OMAP boards. If your bootloader
48 config OMAP_MUX_DEBUG
56 config OMAP_MUX_WARNINGS
57 bool "Warn about pins the bootloader didn't set up"
65 config OMAP_32K_TIMER
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/linux/drivers/memory/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
17 config DDR
25 config ARM_PL172_MPMC
33 config ATMEL_EBI
42 Used to configure the EBI (external bus interface) when the device-
46 config BRCMSTB_DPFE
58 config BRCMSTB_MEMC
67 config BT1_L2_CTL
68 bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
72 Baikal-T1 CPU is based on the MIPS P5600 Warrior IP-core. The CPU
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/linux/arch/sh/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
2 config SUPERH
81 <http://www.linux-sh.org/>.
83 config GENERIC_BUG
87 config GENERIC_HWEIGHT
90 config GENERIC_CALIBRATE_DELAY
93 config GENERIC_LOCKBREAK
97 config ARCH_SUSPEND_POSSIBLE
100 config ARCH_HIBERNATION_POSSIBLE
103 config SYS_SUPPORTS_APM_EMULATION
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/linux/drivers/firmware/efi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
5 config EFI_ESRT
10 config EFI_VARS_PSTORE
20 config EFI_VARS_PSTORE_DEFAULT_DISABLE
29 config EFI_SOFT_RESERVE
42 resource, and set aside for direct-access (device-dax) by
45 device-dax kmem facility. Say N to have the kernel treat this
50 config EFI_DXE_MEM_ATTRIBUTES
62 config EFI_PARAMS_FROM_FDT
65 Select this config option from the architecture Kconfig if
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/linux/arch/mips/
H A DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0
3 config EARLY_PRINTK
17 config EARLY_PRINTK_8250
26 config USE_GENERIC_EARLY_PRINTK_8250
29 config CMDLINE_BOOL
30 bool "Built-in kernel command line"
32 For most systems, it is firmware or second stage bootloader that
41 The built-in options will be concatenated to the default command
43 command line will be ignored and replaced by the built-in string.
46 the command line from the firmware or the second-stage bootloader.
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/linux/arch/arm/mach-davinci/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
21 config ARCH_DAVINCI_DA830
22 bool "DA830/OMAP-L137/AM17x based system"
28 config ARCH_DAVINCI_DA850
29 bool "DA850/OMAP-L138/AM18x based system"
32 config ARCH_DAVINCI_DA8XX
35 config DAVINCI_MUX
40 Pin multiplexing support for DAVINCI boards. If your bootloader
44 config DAVINCI_MUX_DEBUG
52 config DAVINCI_MUX_WARNINGS
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/linux/Documentation/devicetree/bindings/nvmem/
H A Drmem.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
13 - $ref: nvmem.yaml#
18 - enum:
19 - raspberrypi,bootloader-config
20 - raspberrypi,bootloader-public-key
21 - const: nvmem-rmem
26 no-map:
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/linux/arch/alpha/
H A DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0
3 config EARLY_PRINTK
8 config ALPHA_LEGACY_START_ADDRESS
18 If you're using aboot 0.7 or later, the bootloader will examine the
20 most older bootloaders -- APB or MILO -- hardcoded the kernel start
24 Say Y if you have a broken bootloader. Say N if you do not, or if
27 config ALPHA_LEGACY_START_ADDRESS
32 config MATHEMU
/linux/drivers/platform/x86/intel/wmi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 config INTEL_WMI
9 config INTEL_WMI_SBL_FW_UPDATE
10 tristate "Intel WMI Slim Bootloader firmware update signaling driver"
15 Slim Bootloader to trigger update on next reboot.
18 be called intel-wmi-sbl-fw-update.
20 config INTEL_WMI_THUNDERBOLT
31 be called intel-wmi-thunderbolt.
/linux/arch/arm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
2 config ARM
159 The ARM series is a line of low-power-consumption RISC chip designs
161 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
162 manufactured, but legacy ARM-based PC hardware remains popular in
166 config ARM_HAS_GROUP_RELOCS
173 supported in LLD until version 14. The combined range is -/+ 256 MiB,
177 config ARM_DMA_USE_IOMMU
183 config ARM_DMA_IOMMU_ALIGNMENT
202 config SYS_SUPPORTS_APM_EMULATION
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/linux/usr/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
6 config INITRAMFS_SOURCE
11 space-separated list of directories and files for building the
21 See <file:Documentation/driver-api/early-userspace/early_userspace_support.rst> for more details.
25 config INITRAMFS_FORCE
26 bool "Ignore the initramfs passed by the bootloader"
30 (or initrd image) passed to it by the bootloader. This is
33 your bootloader passes to the kernel.
35 config INITRAMFS_ROOT_UID
41 (-1 = current user) will be owned by root in the resulting image.
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/linux/arch/mips/generic/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 config LEGACY_BOARDS
7 Select this from your board if the board must use a legacy, non-UHI,
13 config YAMON_DT_SHIM
16 Select this from your board if the board uses the YAMON bootloader
18 YAMON-provided environment variables into a device tree properties.
20 comment "Legacy (non-UHI/non-FIT) Boards"
22 config LEGACY_BOARD_SEAD3
23 bool "Support MIPS SEAD-3 boards"
27 Enable this to include support for booting on MIPS SEAD-3 FPGA-based
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/linux/arch/nios2/platform/
H A DKconfig.platform1 # SPDX-License-Identifier: GPL-2.0-only
6 config NIOS2_MEM_BASE
19 config NIOS2_DTB_AT_PHYS_ADDR
23 Normally this address is passed by a bootloader such as u-boot but
24 using this you can use a devicetree without a bootloader.
31 config NIOS2_DTB_PHYS_ADDR
38 config NIOS2_DTB_SOURCE_BOOL
45 config NIOS2_DTB_SOURCE
55 config NIOS2_ARCH_REVISION
63 config NIOS2_HW_MUL_SUPPORT
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/linux/arch/sparc/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 config 64BIT
3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
10 Say yes to build a 64-bit kernel - formerly known as sparc64
11 Say no to build a 32-bit kernel - formerly known as sparc
13 config SPARC
53 config SPARC32
69 config SPARC64
114 config ARCH_PROC_KCORE_TEXT
117 config CPU_BIG_ENDIAN
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/linux/Documentation/admin-guide/
H A DREADME.rst11 --------------
14 Linus Torvalds with assistance from a loosely-knit team of hackers across
17 It has all the features you would expect in a modern fully-fledged Unix,
19 loading, shared copy-on-write executables, proper memory management,
22 It is distributed under the GNU General Public License v2 - see the
26 -----------------------------
28 Although originally developed first for 32-bit x86-based PCs (386 or higher),
31 IBM S/390, MIPS, HP PA-RISC, Intel IA-64, DEC VAX, AMD x86-64 Xtensa, and
34 Linux is easily portable to most general-purpose 32- or 64-bit architectures
40 userspace application - this is called UserMode Linux (UML).
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/linux/drivers/mtd/parsers/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 config MTD_BCM47XX_PARTS
9 config MTD_BCM63XX_PARTS
18 config MTD_BRCM_U_BOOT
19 tristate "Broadcom's U-Boot partition parser"
22 Broadcom uses a custom way of storing U-Boot environment variables.
23 They are placed inside U-Boot partition itself at unspecified offset.
28 config MTD_CMDLINE_PARTS
44 <mtddef> := <mtd-id>:<partdef>[,<partdef>]
46 <mtd-id> := unique id used in mapping driver/device
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/linux/drivers/input/rmi4/
H A Drmi_f34v7.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2007-2016, Synaptics Incorporated
27 ret = rmi_read_block(f34->fn->rmi_dev, in rmi_f34v7_read_flash_status()
28 f34->fn->fd.data_base_addr + V7_FLASH_STATUS_OFFSET, in rmi_f34v7_read_flash_status()
32 rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, in rmi_f34v7_read_flash_status()
37 f34->v7.in_bl_mode = status >> 7; in rmi_f34v7_read_flash_status()
38 f34->v7.flash_status = status & 0x1f; in rmi_f34v7_read_flash_status()
40 if (f34->v7.flash_status != 0x00) { in rmi_f34v7_read_flash_status()
41 dev_err(&f34->fn->dev, "%s: status=%d, command=0x%02x\n", in rmi_f34v7_read_flash_status()
42 __func__, f34->v7.flash_status, f34->v7.command); in rmi_f34v7_read_flash_status()
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H A Drmi_f34.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2007-2016, Synaptics Incorporated
18 struct rmi_function *fn = f34->fn; in rmi_f34_write_bootloader_id()
19 struct rmi_device *rmi_dev = fn->rmi_dev; in rmi_f34_write_bootloader_id()
23 ret = rmi_read_block(rmi_dev, fn->fd.query_base_addr, in rmi_f34_write_bootloader_id()
26 dev_err(&fn->dev, "%s: Reading bootloader ID failed: %d\n", in rmi_f34_write_bootloader_id()
31 rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: writing bootloader id '%c%c'\n", in rmi_f34_write_bootloader_id()
35 fn->fd.data_base_addr + F34_BLOCK_DATA_OFFSET, in rmi_f34_write_bootloader_id()
38 dev_err(&fn->dev, "Failed to write bootloader ID: %d\n", ret); in rmi_f34_write_bootloader_id()
48 struct rmi_function *fn = f34->fn; in rmi_f34_command()
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/linux/drivers/input/touchscreen/
H A Datmel_mxt_ts.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2011-2014 Atmel Corporation
30 #include <media/v4l2-device.h>
31 #include <media/v4l2-ioctl.h>
32 #include <media/videobuf2-v4l2.h>
33 #include <media/videobuf2-vmalloc.h>
34 #include <dt-bindings/input/atmel-maxtouch.h>
206 /* Command to unlock bootloader */
210 /* Bootloader mode status */
270 /* Config update context */
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/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2711-rpi.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "bcm2835-rpi.dtsi"
4 #include <dt-bindings/power/raspberrypi-power.h>
5 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
8 /* Will be filled by the bootloader */
21 i2c0mux: i2c-mux0 {
22 compatible = "i2c-mux-pinctrl";
23 #address-cells = <1>;
24 #size-cells = <0>;
26 i2c-parent = <&i2c0>;
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/linux/arch/powerpc/platforms/83xx/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
3 bool "83xx-based boards"
13 config MPC830x_RDB
21 config MPC831x_RDB
28 config MPC832x_RDB
35 config MPC834x_ITX
42 Be aware that PCI initialization is the bootloader's
45 config MPC836x_RDK
54 config MPC837x_RDB
61 config ASP834x
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/linux/arch/loongarch/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
2 config LOONGARCH
200 config 32BIT
203 config 64BIT
206 config GENERIC_BUG
210 config GENERIC_BUG_RELATIVE_POINTERS
214 config GENERIC_CALIBRATE_DELAY
217 config GENERIC_CSUM
220 config GENERIC_HWEIGHT
223 config L1_CACHE_SHIFT
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/linux/arch/arm/boot/dts/marvell/
H A Darmada-xp-db-xc3-24g4xg.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree file for DB-XC3-24G4XG board
7 * Based on armada-xp-db.dts
9 * Note: this Device Tree assumes that the bootloader has remapped the
12 * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
13 * boards were delivered with an older version of the bootloader that
15 * situation, you should either update your bootloader (preferred
19 /dts-v1/;
20 #include "armada-xp-98dx3336.dtsi"
23 model = "DB-XC3-24G4XG";
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H A Darmada-xp-db-dxbc2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree file for DB-DXBC2 board
7 * Based on armada-xp-db.dts
9 * Note: this Device Tree assumes that the bootloader has remapped the
12 * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
13 * boards were delivered with an older version of the bootloader that
15 * situation, you should either update your bootloader (preferred
19 /dts-v1/;
20 #include "armada-xp-98dx4251.dtsi"
24 compatible = "marvell,db-dxbc2", "marvell,armadaxp-98dx4251", "marvell,armada-370-xp";
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/linux/drivers/firmware/broadcom/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 config BCM47XX_NVRAM
8 NVRAM partition contains a text-like data representing name=value
14 config BCM47XX_SPROM
23 bootloader firmware CFE. This driver provides method to ssb and bcma
26 config TEE_BNXT_FW

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